An incubation period is a time between when you contract a virus and when your symptoms start. By surveying randomly selected local hospitals, a researcher was able to obtain the sample of incubation periods of 29 patients. The sample of incubation periods has a mean of 6.23 days and a standard deviation of 1.33 days.Construct a 95% confidence interval for the mean incubation period of the novel coronavirus. You may assume that the sample is from a normal population.

1. Margin of error (if applicable):(Round the answer to 2 decimal places)
2. Lower bound:(Round the answer to 2 decimal places)
3. Upper bound:(Round the answer to 2 decimal places)